1、j Edition approved for publication AECMA PRENu2500-3 75 1012311 0009342 b42 C 5 Chairman Comments should be sent within SIX months after the date of publication to AECMA STANDARD NORME AECMA AECMA NORM prEN 2500 Part 3 Edition P 2 May 1995 EDIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL
2、 AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 Supersedes Issue P 1 July 1992 ICs : 9 Descriptors : ENGLISH VERSION Aerospace series Instructions for the drafting and use of metallic material standards Part 3 : Specific requirements
3、 for heat resisting alloys Srie arospatiale Instructions pour la rdaction et lutilisation des normes de matriaux mtalliques Partie 3 : Exigences spcifiques aux alliages rsistant chaud Luft- und Raumfahrt Regeln fr die Erstellung und Anwendung von Normen ber metallische Werkstoffe Teil 3 : Besondere
4、Festlegungen fr hochwarmfeste Legierungen This “Aerospace Series “ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It IS published on green paper for the needs of AECMA-Members. It has been technically approved by the e
5、xperts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard
6、. After examination and signature of the AECMA Standard Checking Centre 1NP.S) and formal agreement of the Official Services of the Member countries it will be submitred as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 1995-05-31 AECMA Technopolis - 175,
7、rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE M. Odorico I I aecrna 199 AECMA PREN*2500-3 95 9 LOL23LL 0009343 589 = Page 2 prEN 2500-3 : 1995 Contents list Page 1 Scope 3 2 Normative references . 3 3 Definitions 3 4 The use of metallic material EN aerospace standards 3 5 Instr
8、uctions for drafting of metallic material EN aerospace standards . . . . . . . . 3 ! Page 3 prEN 2500-3 : 1995 1 Scope This standard specifies the specific requirements for the drafting and use of heat resisting alloy material standards for aerospace applications. This standard shall be used in conj
9、unction with EN 2500-1. 2 Normative references This Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendment
10、s to or revisions of any of these publications apply to this Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. “I EN 2500-1 EN 10083-1 Aerospace series - Instructions for the drafting and use of metallic
11、material standards - Part 1 : General requirements 1 Quenched and tempered steels - Part 1 : Technical delivery conditions for special steels BS 5046 : 1974 Method for the estimation of equivalent diameters in the heat treatment of steel 2, 3 Definitions See EN 2500-1 for steels, the equivalent diam
12、eter De for determining the limiting dimensions is obtained as follows : - for uniform single shapes, use the information given in EN 10083-1 : 1991, or BS 5046 : 1974 - for non-uniform shapes, use the procedure given in EN 10083-1 : 1991 or the formulae given in BS 5046 : 1974 4 See EN 2500-1. The
13、use of metallic material EN aerospace standards 5 Note: examples given below are only intended to illustrate the rules and may not correspond to real standardized EN products. Instructions for drafting of metallic material EN aerospace standards Technological development may require the use of terms
14、 additional to those listed. 5.1 See EN 2500-1 and example 1 of this standard. The following are examples of descriptions which shall be used. 5.1 .I Method of melting Complete in accordance with EN 2500-1 using one or more of the following terms : Page 1: Title of the material standard - air melted
15、, - vacuum melted, - vacuum refined, - vacuum arc remelted, - electro-slag remelted, - consumable electrode remelted, - vacuum arc melted, - inert gas atomized, - rotating electrode atomized, - rotating crucible atomized, - water atomized. 1) Published as AECMA Prestandard at the date of publication
16、 of this standard 2) This standard is published by : British Standard Institute (B.S.I.) 389, Chiswick High Road, London W44AL, UNITED KINGDOM AECMA PREN*2500-3 95 m L0123Ll 0009345 35L Page 4 prEN 2500-3 : 1995 5.1.2 Form entries a) sheet, strip, plate The term may be qualified with one of the foll
17、owing terms : - rolled, : cold rolled, -? hot rolled. bl bar The term may be qualified with one or more of the following terms : - hot rolled, - cold rolled, - drawn, - extruded. c) section The term may be qualified with one or more of the following terms : - extruded, - hot rolled. d) tube The term
18、 may be qualified with one or more of the following terms : - rolled, - drawn, - extruded, - seamless, - welded. e) wire The term may be qualified with one or more of the following terms : - drawn, - hot rolled. f) forging stock gl forgings The term may be qualified with one or more of the following
19、 terms : - die, - hand. hl remelting stock i) castings The term may be qualified with one or more of the following terms : - sand; - investment, - centrifugal, - precision, - hot isostatically pressed (hipped). - chill, AECMA PRENx2500-3 95 W LO1231L O007346 278 Page 5 prEN 2500-3 : 1995 5.1.3 Form
20、entries for powder metallurgy - powder, - compacted material, - part. (The term may be qualified with one or more of the following terms : - hot isostatically pressed (hipped), - extruded, - forged. 5.1.4 Additional information entries - for structural applications, - for pressure applications, - fo
21、r rivets, - for forged fasteners, - for forged rings, - for machined fasteners, - for welding. 5.2 Page 2 See EN 2500-1. 5.3 Page 3 See EN 2500-1 and example 2 of this standard. 5.4 Page 4 5.4.1 Page 4, line 1 : Material designation See EN 2500-1 and example 3 of this standard. 5.4.2 Page 4, line 2
22、: Chemical composition The chemical composition shall be written in accordance with EN 2500-1 and the order of presentation of elements shall conform to the following rules : - C, Si, Mn, P, S, - alloying elements in alphabetical order using their chemical symbol, - ratio and/or total of above eleme
23、nts, - trace elements. 3 AECMA PREN*2500-3 95 LOL23LL 0009347 124 Page 6 prEN 2500-3 : 1995 5.4.3 Page 4, line 3 : Method of melting See EN 2500-1 and example 3 of this standard, using the terms listed in 5.1.1. 5.4.4 Page 4, line 4 : Form, Method of production, Limit dimensions See EN 2500-1, end e
24、xample 3 of this standard. Use the same terms as used in 5.1.2 and 5.1.3. 5.4.5 Page 4, line 5 - Line 5.1 : Technical specification See EN 2500-1. - Line 5.2 : Dimensional standards See EN 2500-1 5.4.6 Page 4, line 6 - Line 6.1 : Delivery condition and heat treatment See EN 2500-1 and example 3 of t
25、his standard. Use one or more of the following terms : - not heat treated, - annealed, - solution treated, - precipitation treated, - tempered, - cold worked, - hot isostatically pressed (hipped), - descaled, - machined, - ground, - as cast, - as forged. - Line 6.2 : Delivery condition code See EN 2
26、500-1 and example 3 of this standard. 5.4.7 Page 4, line 7 : Use condition and heat treatment See EN 2500-1 and example 3 of this standard. Use the terms given in 5.4.6 or state : - Delivery condition. 5.4.8 Page 4, line 8 : Sample, Test piece, Heat treatment See EN 2500-1 and example 3 of this stan
27、dard. 5.4.9 Page 4, line 9 : Dimensions concerned See EN 2500-1 and example 3 of this standard. 5.4.10 Page 4, line 10 : Thickness of cladding on each face See EN 2500-1 5.4.1 1 Page 4, line 11 : Direction of test piece See EN 2500-1 and example 3 of this standard. i Page 7 prEN 2500-3 : 1995 5.4.12
28、 See EN 2500-1 and example 3 of this standard. 5.4.13 See EN 25bO-i and example 3 of this standard. 5.4.14 See EN 2500-1 and example 3 of this standard. 5.4.1 5 See EN 2500-1 and example 3 of this standard, 5.4.16 See EN 2500-1 and example 3 of this standard. 5.4.17 See EN 2500-1 and example 3 of th
29、is standard. 5.4.18 See EN 2500-1 and example 3 of this standard. 5.5 Page 5 5.5.1 Page 5, line 28 See EN 2500-1. 5.5.2 See EN 2500-1 and example 4 of this standard. 5.5.3 The relevant lines shall be completed in accordance with EN 2500-1, see example 4 of this standard. 5.5.4 Page 5, line 97 : Desi
30、gnation See EN 2500-1 and example 4 of this standard. 5.5.5 See EN 2500-1 and example 4 of this standard. 5.5.6 Page 5, line 99 : Typical use See EN 2500-1 and example 4 of this standard. 5.6 See EN 2500-1 and example 5 of this standard. Page 4, lines 12 to 16 : Tensile (TI Page 4, line 17 : Hardnes
31、s Page 4, line 18 : Shear strength Page 4, line 19 : Bending Page 4, line 20 : Impact strength Page 4, lines 21 to 26 : Creep (Cl Page 4, line 27 : Notes (see line 98) Page 5, line 29 : Reference heat treatment Page 5, lines 30 to 96 Page 5, line 98 : Notes Page 6, line 100 : Qualification AECIA PRE
32、NX2500-3 95 W 10123LL O009349 TT7 W Page 8 prEN 2500-3 : 1995 Example 1 Completion of title Aerospace series Heat resisting alloy NI-PH2601 Vacuum melted and vacuum arc remelted Solution treated and precipitation treated Forgings De I300 mm Srie arospatiale Luft und Raumfahrt Alliage rsistant chaud
33、NI-PH2601 Elabor sous vide et refondu sous vide par arc Mis en solution et prcipit Pices forges et pices matrices De 5 300 mm Hochwarmfeste Nickellegierung NI-PH2601 Vacuumerschmolzen und vacuumlichtbogenumgeschmolzen Lsungsgeglht und ausgelagert Gesenk- und Freiformschmiedestcke De 5 300 mm Page 9
34、prEN 2500-3 : 1995 Example 2 Completion of page 3 O introduction For the use of this standard, see EN 2500-3 1 Scope This standard specifies the requirements relating to sheet and strip, a I3 mm, solution treated in heat resisting alloy CO-PH 1402 for aerospace applications. 2 Normative references T
35、his European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publi
36、cations apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2500-3 Aerospace series - Instructions for the drafting and use of metallic material standards - Part 3 : Specific requi
37、rements for heat resisting alloys ) EN 3235-2 Aerospace series - Heat resisting alloy wrought products - Technical specification - Part 2 : Plate, sheet and strip ) 1) Published as AECMA Prestandard at the date of publication of this standard AECMA PREN*2500-3 75 W 1012311 0009351 655 = 51 5.1 Techn
38、ical specification 7 1 2 3 Page 10 prEN 2500-3 : 1995 Material designation Chemjcal Element composition YO rnax. Method of melting Example 3 Completion of page 4 0,050 ! Heat resisting alloy CO-PH1402 - I 0,20 - - 20,O - 0,020 20,O 13,O - 4 CI Si IMn) P I SI Cr I Fe 1 La I Ni I W 1 B 1 Co ! Form Met
39、hod of production Limit dimensions irnm) Use condition and heat treatment Sample Test piece Heat treatment Separately cast - See line 29 Dimensions concerned Thickness of cladding on each face mm - ob - Direction of test piece L Temperature 6 OC Ambient T Strength R, MPa 2 1275 Elongation A X 25 2 1
40、5 Reduction of 2 Oh area Hardness 350 HB450 C Stress o, MPa - 300 Elongation a% - I0,2 Rupture stress OR MPa 400 - i Elongation at A % 25 - rupture Notes (see line 98) - 0.15 10.50 1 1,25 10,02010,0151 24.0 13.00 10.12 124.0 I 16.0 10,0151 1 Vacuum melted and consumable electrode remelted Sheet and
41、strip Hot rolled 1.55a53 EN 3235-2 ! 5.2 Dimensional standards EN 2366 Solution treated and precipitation treated 6.1 Delivery Condition and heat treatment 955 “C It = 2 h I AC + 720 OC It = 8 h I Cool at 50 OC per h to 620 OC I t = 8 h I AC 6.2 Delivery condition code 1 U Delivery condition - I Pro
42、of stress IRp0,21MPa 2 1035 Shear strength I 7 /“ Bending - 0.75; a = 180 KU = 300 J/cm2; Direction L Impact strength I 700 700 I - 29 Reference heat treatment Page 11 prEN 2500-3 : 1995 - Solution heat treated and precipitation treated 955OClt = 2hlAC + 72QOCIt = 8hICoolat5OoCperhto62O0CIt =8hlAC E
43、N 2950 Annex B Microstructure references 1 Carbides, barbonitrides borides 1.1 1.2 1.3 1.4 2 Incipient melting 3 Delta phase precipitation 3.1 3.2 3.3 4 Aluminium silicate 5 Oxides Microstructure Acceptable Unacceptable microstructure microstructure A-B-C D-E-F A- B-C D-E-F A-B C-D-E-F A-B-C-D E-F N
44、one A-B A-B C A-8-F C-0-E B-C-D A None A None A See EN 3235-2 6 Sigma phase I None - 7 Laves phase 8 Freckles 9 White spots 9.1 9.2 10 Cracks None A-B A-B-C-D - C A-B None A-B None A- B 33 - Flattening of tubes See EN 3235-4 I 34 1 Grain size i-I See EN 3235-2 36 II 171 8G6 I Reverse torsion test fo
45、r - See EN 3235-5 wires 71 No rupture after 3 turns 1 40 - Fracture toughness See EN 3235-3 2 One per material batch 3 In accordance with order 7 80 MPaG (K1 c 1 41 Flarability 1-1 See EN 3235-5 42 See EN 3235-5 Simple torsion test for - wires 71 No rupture after 5 turns 43 See EN 3235-5 Wrapping te
46、st for wires - - 46 44 External defects - See EN 3235-2 Fatigue 1 2 3 4 6 i 7 See appendix 1 One per heat Top of ingot : pancake - see EN 2957 See appendix 1 Strain elongation - A& = 0.60 Oh I 0 = 600*C I R = O Sinusoidal wave - f = 1 Hz Rupture after 2500 cycles Page 12 DrEN 2500-3 : 1995 EN 2950 A
47、nnex A Macrostructure references 1.1 1.2 1 Tree ring 2 Dendritic aspect Example 4 Completion of page 5 (continued) Acceptable Unacceptable macrostructure macrostructure A-B-C D-E 6-C-E-F A-D A-8 C-D-E Macrostructure , 4 Macro-recrystallication 4.1 4.2 4.3 4.4 4.5 4.6 5 Freckles 6 White spots 6.1 6.2
48、 7 Cracks 8 Non-metallic inclusions 9 Metallic inclusions A A - A - A B-C-O-F A - - A-E-G-H - A-B C-D-E-F-G -H A-6-C-D E None - None - A - A - I I 3 Grain flow 3.1 Tube leakage 3.2 - See EN 3235-4 1 55 Deformation under - See EN 3235-4 pressure of tubes I Pressure = 10 kPa x , ambient temperature 60
49、 Internal cleanliness of hydraulic test I I 7 See EN 3235-4 1 - See EN 3235-4 1 Boroscope inspection 7 See EN 3235-4 and no particle larger than 0,l mm, no local dressing 61 Internal defects - See EN 3235-1 5 Delivery condition 7 No indications higher than 5 Oh of the reference indication Noise less than 15 Oh of the reference indication (FBH 0 = 0,8 mm) Products with 5 or more acceptable indications to be submitted to the purchaser 64 68 Surface condition - See EN 3235-2 roughness 7 Ra = 1,6 )vn Density - See EN 6018 2 One per cast
